For the Penis. Used a lot by resistance players on the game Ingress to define themselves and their sexual preferences.
Example 1:
Guy 1: Man, I didn't know jojo went that way.
Guy 2: Yeah dude, he's crazy FTP.
Example 2:
New Guy: Hello everyone!
Guy 1: Welcome to the Resistance!
Guy 2: Fuck toads!
New guys: Eewww, I like girls.
Guy 3: We're crazy FTP!
Guy 4: FTP
MarsOG: FTP!
The male version of PMS (Post Menstrual Syndrome) with the exception that it doesn't occur once a month, but all the time. The male can become aggravated and frustrated, resulting in rash decisions and isolation.
He's different, he's become a bastard, oh wait no, maybe he's just got sAyAprAirs!